我使用angular 2创建了一个应用程序，最近我将我的代码从SystemJS迁移到了Webpack。
我注意到，自从我切换到Webpack后，由angular引发的错误没有记录到控制台。
是否有人知道如何解决此问题并再次将错误记录到控制台？
Webpack配置
/**
* @author: @AngularClass
*/
const helpers = require('./helpers');
const webpackMerge = require('webpack-merge'); // used to merge webpack configs
const webpackMergeDll = webpackMerge.strategy({ plugins: 'replace' });
const commonConfig = require('./webpack.common.js'); // the settings that are common to prod and dev
/**
* Webpack Plugins
*/
const AddAssetHtmlPlugin = require('add-asset-html-webpack-plugin');
const DefinePlugin = require('webpack/lib/DefinePlugin');
const NamedModulesPlugin = require('webpack/lib/NamedModulesPlugin');
const LoaderOptionsPlugin = require('webpack/lib/LoaderOptionsPlugin');
/**
* Webpack Constants
*/
const ENV = process.env.ENV = process.env.NODE_ENV = 'development';
const HOST = process.env.HOST || 'localhost';
const PORT = process.env.PORT || 3000;
const HMR = helpers.hasProcessFlag('hot');
const METADATA = webpackMerge(commonConfig({ env: ENV }).metadata, {
host: HOST,
port: PORT,
ENV: ENV,
HMR: HMR
});
const DllBundlesPlugin = require('webpack-dll-bundles-plugin').DllBundlesPlugin;
/**
* Webpack configuration
*
* See: http://webpack.github.io/docs/configuration.html#cli
*/
module.exports = function (options) {
return webpackMerge(commonConfig({ env: ENV }), {
/**
* Developer tool to enhance debugging
*
* See: http://webpack.github.io/docs/configuration.html#devtool
* See: https://github.com/webpack/docs/wiki/build-performance#sourcemaps
*/
devtool: 'cheap-module-source-map',
/**
* Options affecting the output of the compilation.
*
* See: http://webpack.github.io/docs/configuration.html#output
*/
output: {
/**
* The output directory as absolute path (required).
*
* See: http://webpack.github.io/docs/configuration.html#output-path
*/
path: helpers.root('dist'),
/**
* Specifies the name of each output file on disk.
* IMPORTANT: You must not specify an absolute path here!
*
* See: http://webpack.github.io/docs/configuration.html#output-filename
*/
filename: '[name].bundle.js',
/**
* The filename of the SourceMaps for the JavaScript files.
* They are inside the output.path directory.
*
* See: http://webpack.github.io/docs/configuration.html#output-sourcemapfilename
*/
sourceMapFilename: '[file].map',
/** The filename of non-entry chunks as relative path
* inside the output.path directory.
*
* See: http://webpack.github.io/docs/configuration.html#output-chunkfilename
*/
chunkFilename: '[id].chunk.js',
library: 'ac_[name]',
libraryTarget: 'var',
},
module: {
rules: [
{
test: /\.ts$/,
use: [
{
loader: 'tslint-loader',
options: {
configFile: 'tslint.json'
}
}
],
exclude: [/\.(spec|e2e)\.ts$/]
},
/*
* css loader support for *.css files (styles directory only)
* Loads external css styles into the DOM, supports HMR
*
*/
{
test: /\.css$/,
use: ['style-loader', 'css-loader'],
include: [helpers.root('src', 'styles')]
},
/*
* sass loader support for *.scss files (styles directory only)
* Loads external sass styles into the DOM, supports HMR
*
*/
{
test: /\.scss$/,
use: ['style-loader', 'css-loader', 'sass-loader'],
include: [helpers.root('src', 'styles')]
},
/**
* Script loader needed for Cesium imports
*/
{
test: /Cesium\.js$/,
use: [
{
loader: 'script-loader'
}
]
},
/**
* Script loader needed for roslib imports
*/
{
test: /roslib\.js$/,
use: [ 'script-loader' ]
},
]
},
plugins: [
/**
* Plugin: DefinePlugin
* Description: Define free variables.
* Useful for having development builds with debug logging or adding global constants.
*
* Environment helpers
*
* See: https://webpack.github.io/docs/list-of-plugins.html#defineplugin
*/
// NOTE: when adding more properties, make sure you include them in custom-typings.d.ts
new DefinePlugin({
'ENV': JSON.stringify(METADATA.ENV),
'HMR': METADATA.HMR,
'process.env': {
'ENV': JSON.stringify(METADATA.ENV),
'NODE_ENV': JSON.stringify(METADATA.ENV),
'HMR': METADATA.HMR,
}
}),
new DllBundlesPlugin({
bundles: {
polyfills: [
'core-js',
{
name: 'zone.js',
path: 'zone.js/dist/zone.js'
},
{
name: 'zone.js',
path: 'zone.js/dist/long-stack-trace-zone.js'
},
],
vendor: [
'@angular/platform-browser',
'@angular/platform-browser-dynamic',
'@angular/core',
'@angular/common',
'@angular/forms',
'@angular/http',
'@angular/router',
'@angularclass/hmr',
'rxjs',
'roslib',
'cesium',
'eventemitter2'
]
},
dllDir: helpers.root('dll'),
webpackConfig: webpackMergeDll(commonConfig({ env: ENV }), {
devtool: 'cheap-module-source-map',
plugins: []
})
}),
/**
* Plugin: AddAssetHtmlPlugin
* Description: Adds the given JS or CSS file to the files
* Webpack knows about, and put it into the list of assets
* html-webpack-plugin injects into the generated html.
*
* See: https://github.com/SimenB/add-asset-html-webpack-plugin
*/
new AddAssetHtmlPlugin([
{ filepath: helpers.root(`dll/${DllBundlesPlugin.resolveFile('polyfills')}`) },
{ filepath: helpers.root(`dll/${DllBundlesPlugin.resolveFile('vendor')}`) }
]),
/**
* Plugin: NamedModulesPlugin (experimental)
* Description: Uses file names as module name.
*
* See: https://github.com/webpack/webpack/commit/a04ffb928365b19feb75087c63f13cadfc08e1eb
*/
// new NamedModulesPlugin(),
/**
* Plugin LoaderOptionsPlugin (experimental)
*
* See: https://gist.github.com/sokra/27b24881210b56bbaff7
*/
new LoaderOptionsPlugin({
debug: true,
options: {
}
}),
],
/**
* Webpack Development Server configuration
* Description: The webpack-dev-server is a little node.js Express server.
* The server emits information about the compilation state to the client,
* which reacts to those events.
*
* See: https://webpack.github.io/docs/webpack-dev-server.html
*/
devServer: {
port: METADATA.port,
host: METADATA.host,
historyApiFallback: true,
watchOptions: {
aggregateTimeout: 300,
poll: 1000
}
},
/*
* Include polyfills or mocks for various node stuff
* Description: Node configuration
*
* See: https://webpack.github.io/docs/configuration.html#node
*/
node: {
global: true,
crypto: 'empty',
process: true,
module: false,
clearImmediate: false,
setImmediate: false
}
});
}
更多Webpack配置
/**
* @author: @AngularClass
*/
const webpack = require('webpack');
const helpers = require('./helpers');
/*
* Webpack Plugins
*/
// problem with copy-webpack-plugin
const AssetsPlugin = require('assets-webpack-plugin');
const NormalModuleReplacementPlugin = require('webpack/lib/NormalModuleReplacementPlugin');
const ContextReplacementPlugin = require('webpack/lib/ContextReplacementPlugin');
const CommonsChunkPlugin = require('webpack/lib/optimize/CommonsChunkPlugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const CheckerPlugin = require('awesome-typescript-loader').CheckerPlugin;
const HtmlElementsPlugin = require('./html-elements-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const LoaderOptionsPlugin = require('webpack/lib/LoaderOptionsPlugin');
const ScriptExtHtmlWebpackPlugin = require('script-ext-html-webpack-plugin');
const ngcWebpack = require('ngc-webpack');
/*
* Webpack Constants
*/
const HMR = helpers.hasProcessFlag('hot');
const AOT = helpers.hasNpmFlag('aot');
const METADATA = {
title: '',
baseUrl: '/',
isDevServer: helpers.isWebpackDevServer()
};
/*
* Webpack configuration
*
* See: http://webpack.github.io/docs/configuration.html#cli
*/
module.exports = function (options) {
isProd = options.env === 'production';
return {
/*
* Cache generated modules and chunks to improve performance for multiple incremental builds.
* This is enabled by default in watch mode.
* You can pass false to disable it.
*
* See: http://webpack.github.io/docs/configuration.html#cache
*/
//cache: false,
/*
* The entry point for the bundle
* Our Angular.js app
*
* See: http://webpack.github.io/docs/configuration.html#entry
*/
entry: {
'polyfills': './src/polyfills.browser.ts',
'main': AOT ? './src/main.browser.aot.ts' :
'./src/main.browser.ts'
},
/*
* Options affecting the resolving of modules.
*
* See: http://webpack.github.io/docs/configuration.html#resolve
*/
resolve: {
/*
* An array of extensions that should be used to resolve modules.
*
* See: http://webpack.github.io/docs/configuration.html#resolve-extensions
*/
extensions: ['.ts', '.js', '.json'],
// An array of directory names to be resolved to the current directory
modules: [helpers.root('src'), helpers.root('node_modules')],
},
/*
* Options affecting the normal modules.
*
* See: http://webpack.github.io/docs/configuration.html#module
*/
module: {
rules: [
/*
* Typescript loader support for .ts
*
* Component Template/Style integration using `angular2-template-loader`
* Angular 2 lazy loading (async routes) via `ng-router-loader`
*
* `ng-router-loader` expects vanilla JavaScript code, not TypeScript code. This is why the
* order of the loader matter.
*
* See: https://github.com/s-panferov/awesome-typescript-loader
* See: https://github.com/TheLarkInn/angular2-template-loader
* See: https://github.com/shlomiassaf/ng-router-loader
*/
{
test: /\.ts$/,
use: [
{
loader: '@angularclass/hmr-loader',
options: {
pretty: !isProd,
prod: isProd
}
},
{ // MAKE SURE TO CHAIN VANILLA JS CODE, I.E. TS COMPILATION OUTPUT.
loader: 'ng-router-loader',
options: {
loader: 'async-import',
genDir: 'compiled',
aot: AOT
}
},
{
loader: 'awesome-typescript-loader',
options: {
configFileName: 'tsconfig.webpack.json'
}
},
{
loader: 'angular2-template-loader'
}
],
exclude: [/\.(spec|e2e)\.ts$/]
},
/*
* Json loader support for *.json files.
*
* See: https://github.com/webpack/json-loader
*/
{
test: /\.json$/,
use: 'json-loader'
},
/*
* to string and css loader support for *.css files (from Angular components)
* Returns file content as string
*
*/
{
test: /\.css$/,
use: ['to-string-loader', 'css-loader'],
exclude: [helpers.root('src', 'styles')]
},
/*
* to string and sass loader support for *.scss files (from Angular components)
* Returns compiled css content as string
*
*/
{
test: /\.scss$/,
use: ['to-string-loader', 'css-loader', 'sass-loader'],
exclude: [helpers.root('src', 'styles')]
},
/* Raw loader support for *.html
* Returns file content as string
*
* See: https://github.com/webpack/raw-loader
*/
{
test: /\.html$/,
use: 'raw-loader',
exclude: [helpers.root('src/index.html')]
},
/*
* File loader for supporting images, for example, in CSS files.
*/
{
test: /\.(jpg|png|gif)$/,
use: 'file-loader'
},
/* File loader for supporting fonts, for example, in CSS files.
*/
{
test: /\.(eot|woff2?|svg|ttf)([\?]?.*)$/,
use: 'file-loader'
}
],
},
/*
* Add additional plugins to the compiler.
*
* See: http://webpack.github.io/docs/configuration.html#plugins
*/
plugins: [
new AssetsPlugin({
path: helpers.root('dist'),
filename: 'webpack-assets.json',
prettyPrint: true
}),
/*
* Plugin: ForkCheckerPlugin
* Description: Do type checking in a separate process, so webpack don't need to wait.
*
* See: https://github.com/s-panferov/awesome-typescript-loader#forkchecker-boolean-defaultfalse
*/
new CheckerPlugin(),
/*
* Plugin: CommonsChunkPlugin
* Description: Shares common code between the pages.
* It identifies common modules and put them into a commons chunk.
*
* See: https://webpack.github.io/docs/list-of-plugins.html#commonschunkplugin
* See: https://github.com/webpack/docs/wiki/optimization#multi-page-app
*/
new CommonsChunkPlugin({
name: 'polyfills',
chunks: ['polyfills']
}),
// This enables tree shaking of the vendor modules
new CommonsChunkPlugin({
name: 'vendor',
chunks: ['main'],
minChunks: module => /node_modules/.test(module.resource)
}),
// Specify the correct order the scripts will be injected in
new CommonsChunkPlugin({
name: ['polyfills', 'vendor'].reverse()
}),
/**
* Plugin: ContextReplacementPlugin
* Description: Provides context to Angular's use of System.import
*
* See: https://webpack.github.io/docs/list-of-plugins.html#contextreplacementplugin
* See: https://github.com/angular/angular/issues/11580
*/
new ContextReplacementPlugin(
// The (\\|\/) piece accounts for path separators in *nix and Windows
/angular(\\|\/)core(\\|\/)src(\\|\/)linker/,
helpers.root('src'), // location of your src
{
// your Angular Async Route paths relative to this root directory
}
),
/*
* Plugin: CopyWebpackPlugin
* Description: Copy files and directories in webpack.
*
* Copies project static assets.
*
* See: https://www.npmjs.com/package/copy-webpack-plugin
*/
new CopyWebpackPlugin([
{ from: 'src/assets', to: 'assets' },
{ from: 'src/meta'}
]),
/*
* Plugin: HtmlWebpackPlugin
* Description: Simplifies creation of HTML files to serve your webpack bundles.
* This is especially useful for webpack bundles that include a hash in the filename
* which changes every compilation.
*
* See: https://github.com/ampedandwired/html-webpack-plugin
*/
new HtmlWebpackPlugin({
template: 'src/index.html',
title: METADATA.title,
chunksSortMode: 'dependency',
metadata: METADATA,
inject: 'head'
}),
/*
* Plugin: ScriptExtHtmlWebpackPlugin
* Description: Enhances html-webpack-plugin functionality
* with different deployment options for your scripts including:
*
* See: https://github.com/numical/script-ext-html-webpack-plugin
*/
new ScriptExtHtmlWebpackPlugin({
defaultAttribute: 'defer'
}),
/*
* Plugin: HtmlElementsPlugin
* Description: Generate html tags based on javascript maps.
*
* If a publicPath is set in the webpack output configuration, it will be automatically added to
* href attributes, you can disable that by adding a "=href": false property.
* You can also enable it to other attribute by settings "=attName": true.
*
* The configuration supplied is map between a location (key) and an element definition object (value)
* The location (key) is then exported to the template under then htmlElements property in webpack configuration.
*
* Example:
* Adding this plugin configuration
* new HtmlElementsPlugin({
* headTags: { ... }
* })
*
* Means we can use it in the template like this:
* <%= webpackConfig.htmlElements.headTags %>
*
* Dependencies: HtmlWebpackPlugin
*/
new HtmlElementsPlugin({
headTags: require('./head-config.common')
}),
/**
* Plugin LoaderOptionsPlugin (experimental)
*
* See: https://gist.github.com/sokra/27b24881210b56bbaff7
*/
new LoaderOptionsPlugin({}),
// Fix Angular 2
new NormalModuleReplacementPlugin(
/facade(\\|\/)async/,
helpers.root('node_modules/@angular/core/src/facade/async.js')
),
new NormalModuleReplacementPlugin(
/facade(\\|\/)collection/,
helpers.root('node_modules/@angular/core/src/facade/collection.js')
),
new NormalModuleReplacementPlugin(
/facade(\\|\/)errors/,
helpers.root('node_modules/@angular/core/src/facade/errors.js')
),
new NormalModuleReplacementPlugin(
/facade(\\|\/)lang/,
helpers.root('node_modules/@angular/core/src/facade/lang.js')
),
new NormalModuleReplacementPlugin(
/facade(\\|\/)math/,
helpers.root('node_modules/@angular/core/src/facade/math.js')
),
new ngcWebpack.NgcWebpackPlugin({
disabled: !AOT,
tsConfig: helpers.root('tsconfig.webpack.json'),
resourceOverride: helpers.root('config/resource-override.js')
})
],
/*
* Include polyfills or mocks for various node stuff
* Description: Node configuration
*
* See: https://webpack.github.io/docs/configuration.html#node
*/
node: {
global: true,
crypto: 'empty',
process: true,
module: false,
clearImmediate: false,
setImmediate: false
}
};
}
App.module.ts
// Angular 2 imports
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { HttpModule } from '@angular/http';
import { MaterialModule } from '@angular/material';
import { AppComponent } from './app.component';
import { ROUTING } from './app.routing';
@NgModule({
imports: [
BrowserModule,
FormsModule,
ROUTING,
HttpModule,
ReactiveFormsModule,
MaterialModule.forRoot(),
],
declarations: [
AppComponent
],
providers: [ ],
bootstrap: [ AppComponent ]
})
export class AppModule { }
答案 0 :(得分：1)
我自己找到了答案。
Angular错误处理程序已经抛出了一个错误，这是预期但不是致命的错误（或者我认为），这似乎阻止了错误处理程序将任何其他内容记录到控制台。
我修复了初始错误后，我的应用程序开始记录其他错误。
经验教训！